# import math
# class point:
#     def __init__(self,x,y):
#         self.x = x
#         self.y = y
#     def setPoint(self ,x ,y):
#         self.x = x
#         self.y = y
#     def getX(self, x):
#         return self.x
#     def getY(self,y):
#         return self.y
# class Circle:
#     def __init__(self,point,r):
#     def
